Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005509 | molecular_function | calcium ion binding |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0020037 | molecular_function | heme binding |
| A | 0042128 | biological_process | nitrate assimilation |
| A | 0042279 | molecular_function | nitrite reductase (cytochrome, ammonia-forming) activity |
| A | 0042597 | cellular_component | periplasmic space |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0097164 | biological_process | ammonium ion metabolic process |
| B | 0005509 | molecular_function | calcium ion binding |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0020037 | molecular_function | heme binding |
| B | 0042128 | biological_process | nitrate assimilation |
| B | 0042279 | molecular_function | nitrite reductase (cytochrome, ammonia-forming) activity |
| B | 0042597 | cellular_component | periplasmic space |
| B | 0046872 | molecular_function | metal ion binding |
| B | 0097164 | biological_process | ammonium ion metabolic process |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 24 |
| Details | BINDING SITE FOR RESIDUE HEC A 601 |
| Chain | Residue |
| A | HIS113 |
| A | LYS188 |
| A | ARG242 |
| A | CYS299 |
| A | HIS300 |
| A | TYR303 |
| A | CYS305 |
| A | HIS361 |
| A | ASN486 |
| A | HEC603 |
| A | SO3609 |
| A | ALA114 |
| A | HOH702 |
| A | HOH720 |
| A | HOH833 |
| A | HOH1017 |
| A | HOH1188 |
| A | ASP125 |
| A | HIS126 |
| A | VAL129 |
| A | ARG131 |
| A | ALA179 |
| A | CYS184 |
| A | CYS187 |
| site_id | AC2 |
| Number of Residues | 19 |
| Details | BINDING SITE FOR RESIDUE HEC A 602 |
| Chain | Residue |
| A | CYS66 |
| A | HIS70 |
| A | GLN73 |
| A | LEU225 |
| A | CYS227 |
| A | CYS230 |
| A | HIS231 |
| A | ALA290 |
| A | MET295 |
| A | MET384 |
| A | TYR395 |
| A | THR396 |
| A | HIS398 |
| A | HEC603 |
| A | HEC607 |
| A | ACT617 |
| A | HOH827 |
| A | HOH954 |
| A | HOH1056 |
| site_id | AC3 |
| Number of Residues | 23 |
| Details | BINDING SITE FOR RESIDUE HEC A 603 |
| Chain | Residue |
| A | SER84 |
| A | PRO116 |
| A | ARG117 |
| A | HIS119 |
| A | PHE121 |
| A | MET122 |
| A | ASP125 |
| A | CYS187 |
| A | LYS188 |
| A | LEU225 |
| A | MET229 |
| A | CYS296 |
| A | CYS299 |
| A | HIS300 |
| A | HIS383 |
| A | MET384 |
| A | HEC601 |
| A | HEC602 |
| A | HEC604 |
| A | HOH704 |
| A | HOH710 |
| A | HOH743 |
| A | HOH893 |
| site_id | AC4 |
| Number of Residues | 22 |
| Details | BINDING SITE FOR RESIDUE HEC A 604 |
| Chain | Residue |
| A | HIS300 |
| A | PHE367 |
| A | HIS372 |
| A | ALA378 |
| A | CYS379 |
| A | CYS382 |
| A | HIS383 |
| A | THR402 |
| A | PRO403 |
| A | ARG404 |
| A | LYS431 |
| A | ASN486 |
| A | PHE490 |
| A | HIS491 |
| A | HEC603 |
| A | HEC605 |
| A | HOH743 |
| A | HOH888 |
| A | HOH893 |
| A | HOH896 |
| A | HOH925 |
| A | HOH1004 |
| site_id | AC5 |
| Number of Residues | 16 |
| Details | BINDING SITE FOR RESIDUE HEC A 605 |
| Chain | Residue |
| A | ILE427 |
| A | HEC604 |
| A | HOH874 |
| A | HOH1113 |
| A | HOH1153 |
| A | ASN141 |
| A | TRP142 |
| A | GLN143 |
| A | VAL371 |
| A | HIS372 |
| A | PRO403 |
| A | ALA410 |
| A | CYS411 |
| A | CYS414 |
| A | HIS415 |
| A | TRP418 |
| site_id | AC6 |
| Number of Residues | 25 |
| Details | BINDING SITE FOR RESIDUE HEC A 606 |
| Chain | Residue |
| A | ALA11 |
| A | CYS14 |
| A | PHE15 |
| A | HIS18 |
| A | ILE21 |
| A | HIS25 |
| A | VAL33 |
| A | ASN34 |
| A | CYS35 |
| A | CYS38 |
| A | HIS39 |
| A | THR59 |
| A | ILE193 |
| A | LEU194 |
| A | PHE228 |
| A | PRO233 |
| A | HIS234 |
| A | ARG239 |
| A | PHE274 |
| A | ARG276 |
| A | ARG282 |
| A | HEC607 |
| A | HEC608 |
| A | HOH792 |
| A | HOH1000 |
| site_id | AC7 |
| Number of Residues | 20 |
| Details | BINDING SITE FOR RESIDUE HEC A 607 |
| Chain | Residue |
| A | LYS29 |
| A | HIS30 |
| A | HIS37 |
| A | ALA65 |
| A | CYS66 |
| A | THR68 |
| A | CYS69 |
| A | HIS70 |
| A | CYS227 |
| A | HIS231 |
| A | ALA236 |
| A | HEC602 |
| A | HEC606 |
| A | ACT617 |
| A | HOH1060 |
| A | HOH1112 |
| A | HOH1185 |
| A | HOH1227 |
| A | HOH1276 |
| B | THR68 |
| site_id | AC8 |
| Number of Residues | 26 |
| Details | BINDING SITE FOR RESIDUE HEC A 608 |
| Chain | Residue |
| A | GLN13 |
| A | CYS14 |
| A | CYS17 |
| A | HIS18 |
| A | HIS39 |
| A | HIS44 |
| A | VAL45 |
| A | ALA48 |
| A | SER49 |
| A | SER50 |
| A | ARG52 |
| A | ARG56 |
| A | PRO57 |
| A | THR59 |
| A | LEU194 |
| A | GLN275 |
| A | ARG276 |
| A | HEC606 |
| A | HOH782 |
| A | HOH876 |
| A | HOH883 |
| A | HOH936 |
| A | HOH1000 |
| A | HOH1121 |
| A | HOH1231 |
| A | HOH1252 |
| site_id | AC9 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE SO3 A 609 |
| Chain | Residue |
| A | PHE109 |
| A | ARG131 |
| A | TYR303 |
| A | GLN360 |
| A | HIS361 |
| A | HEC601 |
| A | HOH783 |
| A | HOH1017 |
| A | HOH1188 |
| site_id | BC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE CA A 610 |
| Chain | Residue |
| A | GLU302 |
| A | TYR303 |
| A | LYS358 |
| A | GLN360 |
| A | HOH752 |
| A | HOH807 |
| site_id | BC2 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE ACT A 611 |
| Chain | Residue |
| A | THR68 |
| A | HOH771 |
| A | HOH1184 |
| A | HOH1189 |
| A | HOH1288 |
| B | HIS70 |
| B | HEC602 |
| B | HEC607 |
| B | HOH1295 |
| site_id | BC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MPD A 612 |
| Chain | Residue |
| A | ARG87 |
| A | GLN138 |
| A | PHE139 |
| A | TRP142 |
| A | ARG497 |
| A | HOH931 |
| site_id | BC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO3 A 613 |
| Chain | Residue |
| A | HIS18 |
| A | THR19 |
| A | GLN20 |
| A | ILE21 |
| A | PHE274 |
| A | HOH901 |
| A | HOH1000 |
| A | HOH1247 |
| site_id | BC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ACT A 614 |
| Chain | Residue |
| A | TYR198 |
| A | LYS271 |
| A | HOH843 |
| A | HOH1242 |
| site_id | BC6 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE TRS A 615 |
| Chain | Residue |
| A | MET99 |
| A | MET99 |
| A | LYS102 |
| A | LYS102 |
| A | HOH894 |
| A | HOH894 |
| A | HOH894 |
| A | HOH932 |
| A | HOH932 |
| A | HOH932 |
| A | HOH1023 |
| A | HOH1023 |
| A | HOH1023 |
| site_id | BC7 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO3 A 616 |
| Chain | Residue |
| A | SER50 |
| A | ARG51 |
| B | ARG252 |
| B | LEU254 |
| B | GLU341 |
| B | HOH821 |
| B | HOH987 |
| B | HOH1288 |
| site_id | BC8 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE ACT A 617 |
| Chain | Residue |
| A | HIS70 |
| A | HEC602 |
| A | HEC607 |
| A | HOH1185 |
| A | HOH1287 |
| A | HOH1289 |
| B | THR68 |
| site_id | BC9 |
| Number of Residues | 24 |
| Details | BINDING SITE FOR RESIDUE HEC B 601 |
| Chain | Residue |
| B | HIS113 |
| B | ALA114 |
| B | ASP125 |
| B | HIS126 |
| B | VAL129 |
| B | ARG131 |
| B | ALA179 |
| B | CYS184 |
| B | CYS187 |
| B | LYS188 |
| B | ARG242 |
| B | CYS299 |
| B | HIS300 |
| B | TYR303 |
| B | CYS305 |
| B | HIS361 |
| B | ASN486 |
| B | HEC603 |
| B | SO3609 |
| B | HOH724 |
| B | HOH742 |
| B | HOH855 |
| B | HOH1039 |
| B | HOH1209 |
| site_id | CC1 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE HEC B 602 |
| Chain | Residue |
| A | ACT611 |
| B | CYS66 |
| B | HIS70 |
| B | GLN73 |
| B | LEU225 |
| B | CYS227 |
| B | CYS230 |
| B | HIS231 |
| B | ALA290 |
| B | MET384 |
| B | TYR395 |
| B | THR396 |
| B | HIS398 |
| B | HEC603 |
| B | HEC607 |
| B | HOH849 |
| B | HOH977 |
| B | HOH1078 |
| site_id | CC2 |
| Number of Residues | 23 |
| Details | BINDING SITE FOR RESIDUE HEC B 603 |
| Chain | Residue |
| B | SER84 |
| B | PRO116 |
| B | ARG117 |
| B | HIS119 |
| B | PHE121 |
| B | MET122 |
| B | ASP125 |
| B | CYS187 |
| B | LYS188 |
| B | LEU225 |
| B | MET229 |
| B | CYS296 |
| B | CYS299 |
| B | HIS300 |
| B | HIS383 |
| B | MET384 |
| B | HEC601 |
| B | HEC602 |
| B | HEC604 |
| B | HOH726 |
| B | HOH732 |
| B | HOH764 |
| B | HOH915 |
| site_id | CC3 |
| Number of Residues | 23 |
| Details | BINDING SITE FOR RESIDUE HEC B 604 |
| Chain | Residue |
| B | ARG96 |
| B | HIS300 |
| B | PHE367 |
| B | HIS372 |
| B | ALA378 |
| B | CYS379 |
| B | CYS382 |
| B | HIS383 |
| B | THR402 |
| B | PRO403 |
| B | ARG404 |
| B | LYS431 |
| B | ASN486 |
| B | PHE490 |
| B | HIS491 |
| B | HEC603 |
| B | HEC605 |
| B | HOH764 |
| B | HOH910 |
| B | HOH915 |
| B | HOH918 |
| B | HOH948 |
| B | HOH1026 |
| site_id | CC4 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE HEC B 605 |
| Chain | Residue |
| B | ASN141 |
| B | TRP142 |
| B | GLN143 |
| B | VAL371 |
| B | HIS372 |
| B | ASN375 |
| B | PRO403 |
| B | ALA410 |
| B | CYS411 |
| B | CYS414 |
| B | HIS415 |
| B | TRP418 |
| B | ILE427 |
| B | HEC604 |
| B | HOH896 |
| B | HOH938 |
| B | HOH1135 |
| B | HOH1175 |
| site_id | CC5 |
| Number of Residues | 23 |
| Details | BINDING SITE FOR RESIDUE HEC B 606 |
| Chain | Residue |
| B | CYS14 |
| B | PHE15 |
| B | HIS18 |
| B | ILE21 |
| B | HIS25 |
| B | VAL33 |
| B | ASN34 |
| B | CYS35 |
| B | CYS38 |
| B | HIS39 |
| B | ILE193 |
| B | LEU194 |
| B | PHE228 |
| B | PRO233 |
| B | HIS234 |
| B | ARG239 |
| B | PHE274 |
| B | ARG276 |
| B | ARG282 |
| B | HEC607 |
| B | HEC608 |
| B | HOH813 |
| B | HOH1022 |
| site_id | CC6 |
| Number of Residues | 22 |
| Details | BINDING SITE FOR RESIDUE HEC B 607 |
| Chain | Residue |
| A | THR68 |
| A | ACT611 |
| A | HOH1288 |
| B | LYS29 |
| B | HIS30 |
| B | HIS37 |
| B | ALA65 |
| B | CYS66 |
| B | THR68 |
| B | CYS69 |
| B | HIS70 |
| B | CYS227 |
| B | HIS231 |
| B | ALA236 |
| B | HEC602 |
| B | HEC606 |
| B | HOH710 |
| B | HOH1082 |
| B | HOH1134 |
| B | HOH1254 |
| B | HOH1269 |
| B | HOH1295 |
| site_id | CC7 |
| Number of Residues | 27 |
| Details | BINDING SITE FOR RESIDUE HEC B 608 |
| Chain | Residue |
| B | GLN13 |
| B | CYS14 |
| B | CYS17 |
| B | HIS18 |
| B | HIS39 |
| B | HIS44 |
| B | VAL45 |
| B | ALA48 |
| B | SER49 |
| B | ARG51 |
| B | ARG51 |
| B | ARG52 |
| B | MET53 |
| B | ARG56 |
| B | PRO57 |
| B | THR59 |
| B | LEU194 |
| B | GLN275 |
| B | ARG276 |
| B | HEC606 |
| B | HOH803 |
| B | HOH898 |
| B | HOH905 |
| B | HOH959 |
| B | HOH1022 |
| B | HOH1143 |
| B | HOH1283 |
| site_id | CC8 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE SO3 B 609 |
| Chain | Residue |
| B | PHE109 |
| B | ARG131 |
| B | TYR303 |
| B | GLN360 |
| B | HIS361 |
| B | HEC601 |
| B | HOH804 |
| B | HOH1039 |
| B | HOH1209 |
| site_id | CC9 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE CA B 610 |
| Chain | Residue |
| B | GLU302 |
| B | TYR303 |
| B | LYS358 |
| B | GLN360 |
| B | HOH773 |
| B | HOH828 |
| site_id | DC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MPD B 611 |
| Chain | Residue |
| B | ARG87 |
| B | GLN138 |
| B | PHE139 |
| B | TRP142 |
| B | ARG497 |
| B | HOH954 |
| site_id | DC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO3 B 612 |
| Chain | Residue |
| B | HIS18 |
| B | THR19 |
| B | GLN20 |
| B | ILE21 |
| B | PHE274 |
| B | HOH923 |
| B | HOH1022 |
| site_id | DC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE ACT B 613 |
| Chain | Residue |
| B | TYR198 |
| B | LYS271 |
| B | HOH865 |
| site_id | DC4 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE TRS B 614 |
| Chain | Residue |
| B | MET99 |
| B | LYS102 |
| B | LYS102 |
| B | HOH916 |
| B | HOH916 |
| B | HOH916 |
| B | HOH931 |
| B | HOH955 |
| B | HOH955 |
| B | HOH955 |
| B | HOH1045 |
| B | HOH1045 |
| B | HOH1045 |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| A | CYS14 | |
| A | CYS230 | |
| A | CYS296 | |
| A | CYS299 | |
| A | CYS379 | |
| A | CYS382 | |
| A | CYS411 | |
| A | CYS414 | |
| B | CYS14 | |
| B | CYS17 | |
| B | CYS35 | |
| A | CYS17 | |
| B | CYS38 | |
| B | CYS66 | |
| B | CYS69 | |
| B | CYS184 | |
| B | CYS187 | |
| B | CYS227 | |
| B | CYS230 | |
| B | CYS296 | |
| B | CYS299 | |
| B | CYS379 | |
| A | CYS35 | |
| B | CYS382 | |
| B | CYS411 | |
| B | CYS414 | |
| A | CYS38 | |
| A | CYS66 | |
| A | CYS69 | |
| A | CYS184 | |
| A | CYS187 | |
| A | CYS227 | |
| Chain | Residue | Details |
| A | HIS18 | |
| A | HIS372 | |
| A | HIS383 | |
| A | HIS398 | |
| A | HIS415 | |
| A | HIS491 | |
| B | HIS18 | |
| B | HIS30 | |
| B | HIS39 | |
| B | HIS44 | |
| B | HIS70 | |
| A | HIS30 | |
| B | HIS119 | |
| B | LYS188 | |
| B | HIS234 | |
| B | HIS300 | |
| B | HIS372 | |
| B | HIS383 | |
| B | HIS398 | |
| B | HIS415 | |
| B | HIS491 | |
| A | HIS39 | |
| A | HIS44 | |
| A | HIS70 | |
| A | HIS119 | |
| A | LYS188 | |
| A | HIS234 | |
| A | HIS300 | |
| Chain | Residue | Details |
| A | HIS231 | |
| B | HIS231 | |
| Chain | Residue | Details |
| A | GLU302 | |
| A | TYR303 | |
| A | LYS358 | |
| A | GLN360 | |
| B | GLU302 | |
| B | TYR303 | |
| B | LYS358 | |
| B | GLN360 | |
| Chain | Residue | Details |
| A | TYR303 | |
| A | CYS305 | |
| B | TYR303 | |
| B | CYS305 | |
